DIN EN 60061-1-2011
灯头,灯座及检验其安全性和互换性的量规.第1部分:灯头(IEC 60061-1-1969 + 补充件A-1970至 V-1997 + A21-1998 至A43-2010 + A44-2010, 修订版本).德文版本EN 60061-1-1993 + A1-1995 至 A7-1997 + A21-1998 至 A43-2010 + A44-2010
Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps (IEC 60061-1:1969 + supplements A:1970 to V:1997 + A21:1998 to A43:2010 + A44:2010, modified); German version EN 60061-1:1993 + A1:1995 to A7:1